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HR & Payroll: SSO premium tracker

Name: The SSO Premium Index
Creator: Digital Signet
License: https://creativecommons.org/licenses/by/4.0/

HRIS, payroll, performance, onboarding. 4 vendors tracked. Median SSO premium: +267%. Highest premium: Gusto at +267%.

Vendor	Base	SSO	Δ%	Verified
Gusto Simple → Premium	$6	$22/emp + $180 base	+267%	2026-06-02
BambooHR Core → Pro	$8	$14	+75%	2026-06-02
Rippling Quote → Quote (SSO included)	$8	Custom quote	—	2026-06-02
Deel Core HR → EOR (Standard)	$5	EOR $599+/emp (quote SSO bundle)	—	2026-06-02

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